import React, {useContext} from 'react'
import { Context } from './Ancestor'

export default function Litter() {
    const { state, setState } = useContext(Context)
    const onButtonClick = () => {
        setState('后代知道了');
    }
    return (
        <div>
            {state}
            <button onClick={onButtonClick}> 后代知道了</button>
        </div>
    )
}
